Examlex
Omega-3 fatty acids are especially high in fish sources such as salmon,tuna,and trout.
Root Nodules
Swollen lumps on roots of certain leguminous plants containing symbiotic nitrogen-fixing bacteria, crucial for converting atmospheric nitrogen into a form plants can use.
Bioaccumulation
Bioaccumulation is the process by which certain toxic substances (such as heavy metals or DDT) accumulate in an organism, often reaching harmful levels.
Biological Magnification
The method through which the levels of harmful compounds accumulate progressively in each subsequent level of the food chain.
Persistence
A characteristic of certain chemicals that are extremely stable and may take many years to be broken down into simpler forms by natural processes.
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